<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<h1>我们的第一个HTML页面</h1>
<hr>
<p>开始学习HTML旅程</p>
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<h3>Start</h3>
<a href="http://www.w3school.com.cn">W3School</a>
<a href="#">空链接</a>
<a href="case1.html">case1.html</a>
</body>
</html>